- Published
- Source
- Cybersecurity Dive
- Filed under
- Microsoft, Identity, Attacks
The company’s latest report previews how AI is changing threat activity, including by automating ransomware attacks.
Protecting sign-ins
- Phishing-resistant multi-factor authentication – passkeys or security keys – for administrators first.
- Block the old sign-in methods that skip MFA, and review who can grant apps access to your data.
- Alert on impossible travel, newly added MFA methods and unusual consent grants.
More helpNCSC: multi-factor authentication for online services (opens in a new tab)
Defender’s notebook
The attacker technique behind this story, in MITRE’s terms – and what to check in your own estate.
Data Encrypted for Impact
ImpactWhat a defender checks
- Isolate affected hosts from the network to stop the spread.
- Confirm backups are offline and restorable – then test a restore.
- Hunt for what came first: new admin accounts, disabled security tools, remote-access software.
Build the skillBlue Team Engineer · Incident Management & Response Engineering
© 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation.
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